Remove unused tasks.
Fix .classpath generation without having to post-process the file.
Do not use a constant for the API directory.

If we ever have sub-projects, a constant in this file will show as
being defined twice.
Determine version and release without shelling out.
Fix block variable shadowing outer variable.
Fix 4 space indents.
Use buildr's sh function when possible.
Tidy dependencies
Turn down Liquibase logging.  Too noisy.
Misc style fix-ups.
Make syntastic classpath task more Rubyish.
Fix Emma reports in a more Rubyish way.
Revert "Fix Emma reports in a more Rubyish way."

This reverts commit 92226e378d6874178bdf3ce18faacc6f2906b935.

We perform continuous integration under Ruby 1.8.7 which does not
support File.read with an options hash or the encode! method.
Merge pull request #595 from candlepin/awood/buildr-cruft

Awood/buildr cruft